The wrecked Boeing 737 MAX 8, who last weekend crashed in the Ethiopian capital, flew up and down and accelerated abnormally short, after it was relieved. It writes The New York Times, who have spoken with a source who monitored the flykommunikationen.

the Aircraft is first increased to the minimum sikkerhedshøjde, as it took off from the airport in the ethiopian capital, Addis Ababa. But the machine was moving then up and down with an abnormally high speed.

air traffic Controllers were at the same time, by directing the other two aircraft approached the airport. They saw the plane moving several hundred feet up and down.

Then did the plane from Ethiopian Airlines from a radar screen over a military area. It lost contact with air traffic controllers five minutes after take-off.

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‘Break, break’, said the pilot to the air traffic controllers.

‘Ask to come back’, added the captain of the aircraft, Yared Getachew. Then asked him about the coordinator to use for landing.

In the first place had the captain with a calm voice given to a report of a problem with the ‘flight control’.

Experts from the French aviation authorities in Paris are analyzing the aircraft’s black boxes, although Ethiopia formally looking havariefterforskningen after the crash, which claimed the lives of 157 people lost their lives.

American experts both in Paris and Addis Ababa. Conclusions expected first, on one or more days.

The american aircraft manufacturer is working on an urgent update of the software for its 737 MAX aircraft. The work started, since all of the 189 persons on board an aircraft of the same type in October last year died in a plane crash in Indonesia.

After yet another fatal accident with the same type of aircraft in Ethiopia, there is even more focus on this update. A large number of countries and carriers have decided to take the aircraft out of service until it is clarified whether the accidents are due to a fault of the aircraft.

Boeing and the u.s. aviation authorities have disagreed about how much pilottræning, which is needed when the new software comes. It wrote to the newspaper the Wall Street Journal on Friday.

Boeing expects to release the upgraded software within a week to ten days. It illuminates the sources with knowledge of the matter.